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churn [churn 词源字典]: churn: [OE] It has been speculated that the term churn is based on the granular appearance cream takes on as it is stirred or agitated. The Old English noun cyrin comes from a prehistoric Germanic *kernjōn, which may be related to English corn and kernel and Latin grānum ‘grain’. The derived verb churn is a comparatively late creation, not appearing until the 15th century.
=> corn, grain, kernel[churn etymology, churn origin, 英语词源]
astir (adv.): "up and about," 1823, from phrase on the stir, or from Scottish asteer; from stir. Old English had astyrian, which yielded Middle English ben astired "be stirred up, excited, aroused."
bestir (v.): Old English bestyrian "to heap up," from be- + stir. Related: Bestirred; bestirring.
jackal (n.): c. 1600, from Turkish çakal, from Persian shaghal, from or cognate with Sanskrit srgala-s, literally "the howler." Figurative sense of "skulking henchman" is from the old belief that jackals stirred up game for lions.
stir (v.): Old English styrian "to stir, move; rouse, agitate, incite, urge" (transitive and intransitive), from Proto-Germanic *sturjan (cognates: Middle Dutch stoeren, Dutch storen "to disturb," Old High German storan "to scatter, destroy," German stören "to disturb"), from PIE *(s)twer- (1) "to turn, whirl" (see storm (n.)). Related: Stirred; stirring. Stir-fry (v.) is attested from 1959.
touched (adj.): "stirred emotionally," mid-14c., past participle adjective from touch (v.).